79
VERSION 10/2018
ORDER NUMBER DOC 2339321
.
7.6.4 CHECK FOR LEAKS IN A AND B FLUID SECTION
Leak testing setting
Via password level 4 where pos. "P115" P115 = 1.
Sensitivity settings
Leak warning limit A (mm/min)
Leak error limit A (mm/min)
Leak warning limit B (mm/min)
Leak error limit B (mm/min)
Leak testing for one stroke direction
1. [Stop]. Secure the gun. Close all return valves.
B
A
SET
TwinControl
B
B
A
A
B_02744
2. Pumps A and B: Set pressure regulator to working
pressure.
3. Press [-] push button for three seconds.
A-pump and B-pump (including circulation valves) are
checked for leaks for 10 seconds. During the check, the display
counts from 10 to 0 and the LED displays for A and B flash
alternately. Any leakage is indicated by an error message.
Changing stroke direction
4. Pumps A and B: Set pressure regulator to zero.
5. Place grounded metal tanks for return product under the return tubes of pumps A
and B.
6. Pumps A and B: Briefly open each return valve. As soon as the stroke direction audibly
switches over, close valve.
Leak testing for the other stroke direction
7. Pumps A and B: Set pressure regulator to working pressure.
8. Press [-] push button for three seconds.
Leakage error messages
See Chapter
.
